Raleigh, N.C. — Fed up with how her own health was handled by multiple doctors in 2009, former Red Hat executive Joanne Rohde launched Axial Exchange. Her aim: Use technology to improve health care through management of data. On Thursday, she brought her drive to North Carolina with Axial's ratings of hospitals across the state. In the first of a two-part exclusive interview, Rohde talks about her determination to help improve "a nation of chronic disease."...